Rotating Rotational

Rotation

Meanings and phrases

rotation

Pronunciation American British Australian Indian
n.
  1. the act of rotating as if on an axis; rotary motion
  2. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
  3. a single complete turn (axial or orbital); revolution; gyration
  4. a planned recurrent sequence (of crops or personnel etc.)

axial rotation

Pronunciation American British Australian Indian
n.
  1. rotary motion of an object around its own axis; axial motion; roll

axis of rotation

Pronunciation American British Australian Indian
n.
  1. the center around which something rotates; axis
E.g.
  • The axis of rotation is usually vertical.
  • If the pintle is designed to move along its axis of rotation, the throat area can be varied.
  • Earth's axis of rotation is tilted with respect to its orbital plane, producing seasons on Earth.

clockwise rotation

Pronunciation American British Australian Indian
n.
  1. rotation to the right; dextrorotation

counterclockwise rotation

Pronunciation American British Australian Indian
n.
  1. rotation to the left; levorotation

orbital rotation

Pronunciation American British Australian Indian
n.
  1. motion of an object in an orbit around a fixed point; orbital motion

rotation period

Pronunciation American British Australian Indian
E.g.
  • The Q-type asteroid has a rotation period of 6.2 hours.
  • The K-type asteroid has a rotation period of 4.8 hours.
  • Its rotation period and shape remain unknown.

starting rotation

Pronunciation American British Australian Indian
E.g.
  • Paxton was in the Indians' starting rotation again in .
  • He would be in the Giants starting rotation that season.
  • Kim established himself in the Rockies starting rotation for the season.

heavy rotation

Pronunciation American British Australian Indian
E.g.
  • Ironically, it received heavy rotation on Christian stations.
  • It stayed in heavy rotation during the spring and summer of 1994.
  • It achieved heavy rotation on MTV following the huge success of the album.

gave a rotation

Pronunciation American British Australian Indian
E.g.
  • It gave a rotation period of hours with a brightness variation of 0.43 in magnitude ().
  • The light-curve gave a rotation period of hours with a brightness variation of 0.18 magnitude ().
  • Lightcurve analysis gave a rotation period of 6.231 hours with a brightness amplitude of 0.19 magnitude ().

crop rotation

Pronunciation American British Australian Indian
E.g.
  • Drilling and sowing and crop rotation were introduced.
  • Talking of the wide variety of crops in England, and crop rotation, Professor T.C.
  • Strict crop rotation is no longer technically necessary or even financially desirable.

rotation rate

Pronunciation American British Australian Indian
E.g.
  • This makes it, , the first extrasolar planet to have its rotation rate measured.
  • For this purpose, each rotation has a length of exactly 27 days, close to the synodic Carrington rotation rate.
  • The star is about 400 million years old with a moderate rotation rate, showing a projected rotational velocity of 52 km/s.

regular rotation

Pronunciation American British Australian Indian
E.g.
  • The video was picked up and added into regular rotation on MTV’s LOGO network.
  • Popovich expected him to remain in the regular rotation even after Leonard returned.
  • The band were also given regular rotation on CBC Radio and have been interviewed by Radio 1.

rotation matrix

Pronunciation American British Australian Indian
E.g.
  • It is an affine transform consisting of the 3x3 rotation matrix "R" and the 1x3 translation vector "p".
  • For example, the rotation matrix in 2d: is a matrix valued function of rotation angle of about the origin.
  • Let the displacement of a body be defined by "D" = (["A"], d), where ["A"] is the rotation matrix and d is the translation vector.

high rotation

Pronunciation American British Australian Indian
E.g.
  • Their song Blackfellas was on high rotation on TripleJ.
  • The video was added on high rotation on MTV, TMF, VIVA and ZTV.
  • After its release their material gained high rotation on JJJ radio and independent stations ZZZ and RRR.

rotation axis

Pronunciation American British Australian Indian
E.g.
  • Polar motion is the movement of Earth's rotation axis across its surface.
  • Every ion is on at least three mirror planes and at least one three-fold rotation axis.
  • Their model does not attempt to explain what caused Mars's rotation axis to move relative to the crust.
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